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Resource allocation method, resource allocation system, terminal and base station for direct communication of terminal

ActiveCN104540236AAvoid the problem of allocation conflictsRealize rationalityWireless communicationResource allocation systemsDirect communication
The invention provides a resource allocation method, a resource allocation system, a terminal and a base station for direct communication of the terminal. The resource allocation method applicable to the terminal and used for direct communication of the terminal comprises the steps: detecting a time-frequency resource already occupied by other D2D terminals when a data transmission service is needed; selecting the time-frequency resource for processing the data transmission service according to the time-frequency resource occupied by other D2D terminals and the attribute information of the data transmission service. According to the technical scheme, the problem of the confliction in the allocation of the time-frequency resource can be avoided, the resource selection problem when the time-frequency resource is insufficient can be effectively solved, and reasonability in allocation and application of the resource can be realized.
Owner:SHENZHEN COOLPAD SOFTWARE TECH

Alternating current and direct current hybrid micro-grid system and control strategy thereof

The invention discloses an alternating current and direct current hybrid micro-grid system and a control strategy of the micro-grid system. The micro-grid system comprises multiple generation units, load, a distribution line for connecting the generation units and the loads, and a monitoring protection unit; each generation unit comprises a large power grid, grid-connected AC / DC (alternating current / direct current) of the large power grid, an energy storage system, a DC / DC (direct current / direct current) converter of the energy storage system, a wind power generation system, an AC / DC converter of the wind power generation system, a photovoltaic power generation system, a DC / DC converter of the photovoltaic power generation system, and a diesel generator; said load includes AC non-significant load, AC significant load, AC / DC load, DC significant load and DC non-significant load; the distribution line comprises a DC distribution line and an AC distribution line; the operating status of each energy conversion device can be monitored in real time by the monitoring protection unit, two operating ways such as grid connection and isolation of the system can be realized by different control strategies, the distributive generation unit and the energy storage unit realize coordination and cooperation by controlling energy storage DC / DC, photovoltaic DC / DC, and wind power AC / DC, so that the power supply reliability is improved and the significant load can continuously operate.
Owner:南京国臣信息自动化技术有限公司

Real-time authorization software License control method

The invention provides an enterprise software License control method implementing real-time authorization. The method includes the steps of using an SOA (service oriented architecture) for software, setting controlled quantities, such as the number of client application module concurrent users and the number of servers simultaneously published by a client service module, on a server, and binding the controlled quantities with user names and an automatically generate GUID (globally unique identifier) serial number; after a client binds the user names and the serial number with hardware information such as encryption lock (including computer CPU (central processing unit) serial number, network card serial number and hard disk drive serial number), allowing the client to acquire an encrypted License file from the server; and allowing a License control module to analyze the License file to allow for real-time control of authorization to the whole software system. According to the method, authorization of software can be controlled effectively as the client is communicated with the server in real time, whether the software runs in a virtual machine or not can be detected, and control of versions such as trial version and official version can be performed. The enterprise software License control method implementing real-time authorization is widely applicable to the field of authorization control for computer enterprise software.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

A digital copyright protection method and system

The invention discloses a digital copyright protection method and a system. The method comprises the following steps: performing pretreatment on the original digital content provided by a content supplier before distribution and operation; conducting management of copyright constraints on the pretreated digital content through a mode of an authorized license; accessing and using the digital content containing the copyright constraints via a terminal in accordance with corresponding right constraints, and sending supervision records formed by the usage and the access to a credible third-party supervision server; and managing the supervision records which are formed by accessing and using the digital content containing the copyright constraints via the terminal with the credible third-party supervision server. The invention realizes balance constraints of all roles in a value chain of the digital content, which are required by the digital copyright protection system, so as to truly protect legitimate rights of a digital content copyright holder.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

Power transmission and transformation equipment multidimensional heterogeneous data fusion method and system facing big data

The present invention provides a power transmission and transformation equipment multidimensional heterogeneous data fusion method and system facing big data. The power transmission and transformation equipment multidimensional heterogeneous data fusion method facing the big data comprises the following steps of: S101, power fault and disaster monitoring multidimensional heterogeneous data access; S102, data pre-processing; S103, model and data structure mapping; S104, customization of a specialized data view; and S105, data fusion analysis. The power transmission and transformation equipment multidimensional heterogeneous data fusion method and system facing the big data follow the principles of design flexibility and expansion convenience, and adopt a mode of sharing a storage base, a data service and the like to implement uniform sharing and use of various information resources, for example, satellite remote sensing data, historical meteorological data and GIS data are shared in a file mode and production management data, state monitoring data and thunder and lightning positioning data are shared in a database mode; and data of an evaluation source is used as a starting point, and effective management and sufficient utilization on various types of thematic data are implemented by three stage levels of data integration, data mining and analysis application.
Owner:STATE GRID CORP OF CHINA +2

Preparation method of hyperin and hypericin of Hypericum perforatum

This invention relates to a method for producing Hypericum perforatum hyperoside and hypericin. This invention comprehensively utilizes Hypericum perforatum fruits which are rich in our country to produce both hyperoside and hypericin pharmaceutical active components with high recovery rate, high product purity, and low cost. During the producing process, it achieves the recovery and cycling use of many solvents like ethanol and ethyl ether, and also achieves the regeneration and cycling use of micelle reextracting agent and absorption resin. The plant biological active compounds produced by this invention can be broadly used in heat-clearing and detoxifying, astringing to arrest bleeding and promote diuresis, and antidepressant drug.
Owner:CHONGQING UNIV

Reaction system for continuously preparing polyoxymethylene dialkyl ether, and process thereof

The invention discloses a process apparatus system for preparing polyoxymethylene dialkyl ether (RO(CH2O)nR, n=1-8) through a continuous acetalation reaction of formaldehyde and fatty alcohol under the catalysis of an acidic ionic liquid, and a process thereof. A process apparatus used in the method comprises an acetalation reaction unit, a product separation unit and a catalyst regeneration unit. The adoption of the extraction and rectification combined separation mode in the invention effectively realizes the separation of circulating materials and the above catalyst and makes the recovery rate of the catalyst reach above 99%; the separation of byproduct water from the reaction system is realized, and the azeotropy of water, alcohol, aldehyde and RO(CH2O)nR is destroyed, so the product separation is simple; and a catalyst regeneration technology is simple, so catalytic cycle is realized.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Technology for preparing Suanjiang tofu from LAB (lactic acid bacteria) fermented yellow serofluid

The invention discloses a technology for preparing Suanjiang tofu from LAB (lactic acid bacteria) fermented yellow serofluid. The technology comprises the following steps: (1) a seed liquid is prepared from lactobacillus plantarum and inoculated to the yellow serofluid for fermentation, and Suanjiang is obtained; (2) the final pH value of the Suanjiang obtained in the step (1) is regulated to 3.8-4.0 with food-grade glacial acetic acid, and a tofu coagulant is obtained; (3) cooked soybean milk is prepared from soybeans through impurity removal, cleaning, soaking, mashing, residue removal and boiling; (4) the tofu coagulant obtained in the step (2) is added to the cooked soybean milk obtained in the step (3) in a segmented manner for curdling until a precipitation phenomenon is observed, a product is poured into a frame where tofu cloth is laid, and subjected to tight packaging with a mesh, flat covering, self-draining and pressurizing, pressure is kept, pressing is performed for a fixed period, and the Suanjiang tofu is obtained through forming. The technology has the advantages that the technology is simple, the operation is convenient, the stability is good, continuous production can be realized and the like, and technical support is provided for industrial mass production.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Micro-needle transdermal delivery patch with high penetration efficiency

The invention relates to a micro-needle transdermal delivery patch with high penetration efficiency, and belongs to a medicament and equipment integrated patch product. The micro-needle transdermal delivery patch can painlessly and efficiently deliver medicament waiting delivery matters to the subcutaneous part, and achieves treatment, beautifying and health-care effects. In addition, under the stimulation of external force, heat, light, electricity, magnetic field, electric field and the like, the penetration effect can be accelerated, so that the micro-needle delivery patch has a curative effect which is not achieved in a common medicinal patch, the application range of the medicinal patch is expanded, and the curative effect of medicaments are improved. The invention relates to the structural design of the novel micro-needle transdermal delivery patch and the core technology of the implementation process, and the patch can be used for treating skin and shallow skin diseases and can also be used for treatment and related nursing operation of deep tissues and endocrine system diseases. The micro-needle delivery patch product conforms to the tide of future medical treatment, really realizes the advanced treatment concepts of painless delivery and happy treatment, is a novel patch product, and particularly has a broad market prospect for special crowds such as old people and children.
Owner:JILIN UNIV

Optical round wire rod reinforcement bar for producing prestressed concrete steel rod and processing method

The invention discloses an optical round wire rod reinforcement bar for producing a prestressed concrete steel rod and a processing method. A steel blank comprises in percentage by weight: 0.25-0.30% of C, 0.90-1.10% of Si, 0.50-0.70% of Mn, 0.015-0.030% of Nb, 0.0020-0.0040% of B, no more than 0.020% of S, no more than 0.020% of P and the balance of Fe and inevitable impurities; the optical round wire rod reinforcement bar with the nominal diameter of 8.0-14.0mm is produced by heating and performing controlled rolling and controlled cooling to the steel blank, and has the following characteristics that the tensile strength (Rm) is 630-660MPa, the percentage reduction of area is more than or equal to 65%, and the ferrite grain size is 10.0-11.5 level. Through integration and creation of converter melting, LF melting, steel blank heading and multiple technology of standard and delay type controlled rolling and controlling cooling and the like, the invention provides a production method of the optical round wire rod reinforcement bar for producing the prestressed concrete steel rod, and the product is high in hardenability, and uniform in microscopic structure. The method has the advantages of excellent quality, low production cost, good processability, strong popularization and the like.
Owner:WUKUN STEEL

On-line purification equipment for metal machining fluid and purification method thereof

The invention discloses on-line purification equipment for a metal machining fluid and a purification method thereof. The equipment comprises a purification fluid tank, a stock solution tank, a magnetic separation pool, a magnetic slag tank, a drum type multi-stage magnetic separation device, a gas-liquid mixing pump, an ozone generator, an ozone copolymerization air-float sterilization separation device and a Y-shaped water outlet pipe, wherein the drum type multi-stage magnetic separation device adopts a drum-shaped structure, the inner wall of the drum is embedded with a plurality of same permanent magnets at certain intervals along the same axial direction; and the inside of the ozone copolymerization air-float sterilization separation device is orderly provided with a grid, a baffle plate and an ozone contact generator from bottom to top, and the upper part of the ozone contact generator is a separation zone. The method comprises the main steps of magnetic separation, gas dissolution, sterilization and water and slag discharge. The method has the advantages of realizing the on-line circular purification and use of the machining fluid, prolonging the service life of the machining fluid, greatly reducing the amount of waste fluid generated and achieving the aims of water conservation, emission reduction and clean production.
Owner:DALIAN JIAOTONG UNIVERSITY

Mobile phone and method for realizing double-system mobile phone

The invention relates to a mobile phone and a method for realizing a double-system mobile phone, wherein the method comprises the following steps: loading and starting a program of a bootloader subarea of a Nand flash storing device; reading the parameters of a default start system in a configuration area of the Nand flash storing device via the program; starting a windows mobile system or starting a Google Android system according to the parameters of the default start system, or displaying the interface of one system to be selected and started by a user, and starting one selected system according to the selection of the user. The mobile phone and the method for realizing the double-system mobile phone installs a windows mobile system in the Nand flash storing device of the mobile phone and installs a Google Android system in the user subarea of a T-flash card or the Nand flash storing device so as to realize independent start and use of the Windows mobile system and the Google Android system, wherein the Windows mobile system and the Google Android system exist in one mobile phone; the user can freely start one favorite system according to preference when starting up the mobile phone, and the two systems are independent from each other and can be shared by each other.
Owner:深圳华康创展科技控股集团有限公司

Method for realizing thin provisioning of storage system

The invention discloses a method for realizing thin provisioning of a storage system, and aims to solve the technical problem of poor practicability in an existing thin provisioning method for the storage system. According to the technical scheme, a user and a manager of uniform resources ensure on-demand allocation of data storage by adding control information into file system metadata, and ensure that data is not stored in any unallocated space. In combination with an API (Application Program Interface) provided by a cloud storage system, expansion and use of an online storage space are realized, and the aim of thin provisioning is fulfilled. File system metadata information is redefined to include equipment information and address mapping information; a logical space is partitioned into allocated spaces and unallocated spaces in a file system, and address mapping management is performed; and a read-write process is monitored, so that read-write operation does not access the unallocated spaces. Through the method, the storage space can be managed conveniently; dynamic extension and retraction of the storage space are realized; and the practicability is high.
Owner:西安宽勤标准化技术服务事务所有限公司

Method for storing and taking articles through locker system

The invention provides a method for storing and taking articles through a locker system. The locker system comprises a locker, an electronic coded lock, a control system, a system power supply, a communication module and a user communication terminal, wherein the communication module is connected with the control system, and the user communication terminal is connected with the communication module through a communication network. The method for storing and taking the articles through the locker system includes the following steps of firstly, enabling the number of the user communication terminal of a user who is about to store the articles to be pre-stored through the control system, and binding the number of the corresponding locker with the number of the user communication terminal of the user according to the requirements of the user; secondly, enabling the control system to open the corresponding locker according to the requirements of the user so that the articles can be stored; thirdly, enabling the control system to calculate the code and to be in communication with the user communication terminal of the user so as to transmit an unlocking dynamic code key; finally, opening the corresponding locker to take the articles according to the dynamic code when the user takes the articles.
Owner:上海达距物联网科技发展有限公司

Online evaluation of calendar lifespan of steam turbine high-temperature durable parts and prediction method

ActiveCN1908974AOnline predictions and fair useExtended calendar lifeData processing applicationsSpecial data processing applicationsAutomatic controlOnline evaluation
The on-line prediction and evaluation method for calendar service time of high-temperature appliance of steam turbine comprises: if the residual loss prediction value ER of the appliance over the safe allowance EA, proposing the staff to adjust the set value of steam turbine to reduce main steam temperature variable rate during startup and loading variable rate, re-determining the low-cycle fatigue lifetime and the prediction values of annual calendar lifetime loss and residual loss, re-evaluating on-line calendar lifetime till the calendar lifetime on controlled security state. This invention is reasonable and applied.
Owner:SHANGHAI POWER EQUIP RES INST

Intelligent try-on method and intelligent try-on system

The invention relates to an intelligent try-on method and an intelligent try-on system. The intelligent try-on method comprises the steps that a try-on end obtains a three-dimensional body shape data of a person trying on clothes; according to the three-dimensional body shape data of the person trying on the clothes, a clothes virtual try-on model matched with the three-dimensional body shape data of the person trying on the clothes is obtained; the person trying on the clothes performs virtual try-on by utilizing the clothes virtual try-on model at the try-on end to observe a try-on effect; the try-on end provides real clothes storage position information selected by the person trying on the clothes for the person trying on the clothes according to an operation instruction of the person trying on the clothes; or, the try-on end outputs real clothes selected by the person trying on the clothes to the person trying on the clothes according to the operation instruction of the person trying on the clothes; or, selected and purchased clothes are customized from a third party under the stock-out condition; or, the try-on end raises a rental request to a clothes rental platform according to the instruction of the person trying on the clothes and requires to provide the real clothes for the person trying on the clothes, with a dressing demand. According to the intelligent try-on method, the clothes try-on time is shortened and a user can quickly obtain the real clothes with the satisfied virtual try-on effect.
Owner:应凯

SDN authentication method based on trust management

ActiveCN106559408AAddress cybersecurity issuesEfficient accessTransmissionComputer terminalSingle point
The invention provides a SDN authentication method based on trust management. The method includes the following steps: combining cryptology with hardware devices, establishing a SDN authentication model based on trust management; acquiring access authority through single point sign in; with the proviso of evaluating access safety level and allocating limit session time for a user, establishing a TMUAM mechanism; and authenticating the user. The method can control abnormal behaviors and threats by evaluating the user and terminal behaviors, and addresses the safety hazards of a SDN controller.
Owner:GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2

Magnetic polypyrrole/titanium dioxide/clay nano-composite photocatalyst and preparation method thereof

The invention relates to a photocatalyst, in particular to a magnetic polypyrrole / titanium dioxide / clay nano-composite photocatalyst and a preparation method thereof. In the method, a nano-titanium dioxide / clay composite material is prepared by taking clay as a matrix by an in-situ synthesis method; meanwhile, hydrochloric acid generated through the hydrolysis of titanium tetrachloride is used for synthesizing conductive polypyrrole, and an oxidant for synthesizing the conductive polypyrrole forms a magnetic carrier, so that a high-activity recyclable nano-composite photocatalyst is prepared.
Owner:CHANGZHOU UNIV

ANW (Articulated Naturality Web) monitoring resource synchronization method and system

The embodiment of the invention provides an ANW (Articulated Naturality Web) monitoring resource synchronization method and system, and relates to the technical field of ANW. According to the embodiment of the invention, the method comprises the steps: transmitting a monitoring resource synchronization request to a monitoring protocol conversion server through a conference management client; enabling the monitoring protocol conversion server to return a response message according to the monitoring resource synchronization request; enabling a conference management client to determine the numberof monitoring resources according to the response message; enabling the monitoring protocol conversion server to transmit the monitoring resources to the conference management client; enabling the conference management client to receive the monitoring resources and to judge whether all monitoring resources are received or not: transmitting the monitoring resource synchronization request again ifall monitoring resources are not received. Through the monitoring resource synchronization request, the conference management client can quickly and conveniently obtain the monitoring resources, thereby solving a problem that the conference management client cannot increase or modify the monitoring resources easily, and achieving the synchronous obtaining of the monitoring resources. Meanwhile, the number verification is added, thereby guaranteeing the integrity of the number of obtained monitoring resources.
Owner:海南乾唐视联信息技术有限公司

Terrace pond construction method and terrace pond structure applicable to hydro-fluctuation belt water bay slope

The invention discloses a terrace pond construction method and a terrace pond structure applicable to a hydro-fluctuation belt water bay slope. The method mainly comprises the steps of (1) constructing a 'land-hydro-fluctuation belt-water body' foundation, (2) arranging a water collecting pond, (3) trimming a hydro-fluctuation belt or part of land into a terraced field along the slope, (4) planting floating plants, emergent aquatic plants, hygrophilous plants and damp tolerant plants along the terraced field from bottom to top, and culturing fishes in a water body area, wherein in the terrace pond structure, the slope is in a step structure, at least one water collecting pond is arranged on the step structure, a water sprayer and a water pipeline are arranged in the water collecting pond, a submersible pump is arranged in the water body area, and the water pipeline is arranged at the bottom of the water collecting pond and is communicated with the immersible pump; the height difference between every two adjacent ladders of the terrace field is 0.3-1.5m, and the width of the surface of each ladder is 1.5-15m. The terrace pond structure also has the functions of water-soil high-efficient utilization, non-point source pollution prevention and control and landscape, and is particularly applicable to the hydro-fluctuation belts at reservoirs, rivers or lakes where the bank has a certain slope and the water level variation amplitude is large.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Stadium reservation management method

The invention discloses a stadium reservation management method, comprising steps of utilizing a stadium information management device which is arranged in the reserved stadium to register the member user information, utilizing the stadium information management device to input the member recharging information correlated with the member user information according to the member user payment condition, utilizing the stadium information management device to input the available place information of the reserved stadium, transmitting the inputted available place information of the reserved stadium to the server by the stadium information management device, using an electronic device terminal to transmit a request to a server by a member, transmitting the object available place information of the stadium in the available places of the reserved stadium to an electronic device terminal of the member user in order to respond to the query request of the member user, transmitting available place reservation information to the server by the member user on the basis of the received the available place information of the object stadium, and forwarding the available stadium reservation information to the stadium information management device by the server.
Owner:SHANGHAI GREAT WALL ELECTRONICS INFORMATION NETWORK CO LTD

Electronic cigarette controlled through mobile phone software, and control method thereof

The invention discloses an electronic cigarette controlled through mobile phone software, and a control method thereof. The electronic cigarette comprises an atomizer and a battery component, whereinthe atomizer comprises a heating resistor which is used for heating and atomizing the tobacco liquid of the electronic cigarette; the battery component comprises a battery and a circuit control board,an element and a circuit arranged on the circuit control board comprise a microcontroller, a Bluetooth data transmission unit and an unlocking switch unit; the Bluetooth data transmission unit is provided with a mobile phone software control terminal which is a mobile phone APP installed on a smartphone; the mobile phone APP is provided with encryption information; the encryption information is sent to the Bluetooth data transmission unit through mobile phone Bluetooth, and is then transmitted to the microcontroller; and after the microcontroller identifies the encryption information, throughthe unlocking switch unit, unlocking startup is carried out. The electronic cigarette has the beneficial effects that the encryption of the electronic cigarette and the customization of personal usecan be effectively realized through the control of the mobile phone APP, and juveniles can be prevented from smoking the electronic cigarette so as to avoid bad influences for the society and families.
Owner:HUIZHOU HAPPY VAPING TECH LTD

Design and manufacturing of drop hammer type impact clamp capable of adjusting and controlling impact position points in plane

ActiveCN107356486ARealize continuous quantitative adjustmentRealize high-precision controlStrength propertiesIn planeControl engineering
The invention discloses a design and manufacturing of a drop hammer type impact clamp capable of adjusting and controlling impact position points in a plane, relates to the fields of testing and evaluation of impact properties of metals, non-metals and composite materials and particularly relates to a drop hammer type impact testing machine clamp capable of rapidly and accurately positioning the impact position points in an impactable plane by virtue of a creative two-dimensional movement platform. The impact position points cannot be continuously adjusted and controlled in the impactable plane, and impact performance test and evaluation of materials at a non-fixed point under actual service conditions cannot be realized by virtue of an existing drop hammer type impact testing machine. Aiming at the problems, a fixed shaft rotating platform and a one-way movement platform are controlled by virtue of a programmable controller and are matched to form a novel movement platform, and any impact point in the plane can be accurately adjusted, so that the movement problem of the impact position points in an extremely small mounting space of the impact testing machine is solved, and the testing of the repeated impact property of the non-fixed point in the plane of an impact sample is realized.
Owner:TIANJIN POLYTECHNIC UNIV

Local coating defect repairing method for carbon/carbon composite material

The invention relates to a local coating defect repairing method for a carbon / carbon composite material. A coating repairing agent prepared from a thermosetting resin and an inorganic filling material is coated on a coating defect position. A coating crack defect is repaired by crack / hole filling and reinforcement repair and coating extension, and therefore the surface of the defect is coated with the repairing agent and the repairing agent permeates into the defect interior, thus forming a continuous layer and preventing carbon atoms from oxidation reaction with oxygen atoms. Then a drying and curing process is performed in an air dry oven or a ventilating environment. Finally, the thickness and the compactness of the repairing agent are increased through a vacuum impregnation and drying method. The repairing method is simple, convenient and prone to achievement. The repaired carbon / carbon composite material has good performances and high quality. The local defect area of the antioxidant carbon / carbon composite material is effectively protected from being oxidized and ablated in an oxidation environment with a temperature lower than 1200 DEG C, thus achieving long-time using and repeated using of a high-performance antioxidant carbon / carbon composite material coating.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1

Test method, test driver and test platform

The invention discloses a test method, a test driver and a test platform. The test driver includes a data loading module configured to analyze a test case of a system to be tested so as to endow a case object to a number value defined by the test case, wherein the number value defined by the test case at least includes a test input value and a desired output value; and a test logic module configured to test the system to be tested according to a preset test logic by using the case object provided by the data loading module. Based on the concept of a driver model, separation of the test data and the test logic can be achieved; the whole test process is served through a distributed platform architecture, the automatic level of the test process is improved, standardized management and use of a test user can be achieved, and in this way, the test participation difficulty is reduced, the test efficiency is improved, and the test cost is reduced.
Owner:GUANGZHOU SHENMA MOBILE INFORMATION TECH

Polyaniline/titanium dioxide/clay nanometer composite photocatalyst and preparation method thereof

The invention relates to a nanometer TiO2 photocatalyst, in particular to a polyaniline / titanium dioxide / clay nanometer composite photocatalyst and a preparation method thereof. Titanium tetrachloride and clay are firstly used as raw materials, an in-situ synthesis method is adopted for preparing nanometer titanium dioxide / clay composite material, hydrochloric acid generated by titanium tetrachloride hydrolysis is used for providing the acid environment required by aniline polymerization, the polyaniline conductive polymer loaded titanium dioxide surface is synthesized, the conductive polyaniline is used for receiving electrons generated by the photon excitation on the titanium dioxide, the electron-electronhole pair compounding is inhibited, and the photocatalytic performance of the composite material is improved.
Owner:CHANGZHOU UNIV

Solar acquisition heat accumulating system

InactiveCN104653418AAchieving large-scale collectionRealize acquisitionFrom solar energyMachines/enginesThermal energyEngineering
The invention provides a solar acquisition heat accumulating system; the heat exchange is performed between heat energy acquired from solar energy and a heat accumulator; and the heat energy is used. The solar acquisition heat accumulating system uses a fluid heat exchange mode, and consists of a solar vacuum tube or a flat acquisition device, a heat exchange device, a heat accumulating material and a shell, wherein the heat accumulating material is placed into the shell; the acquisition device is arranged outside the shell; the heat exchange device is arranged between the acquisition device and the shell with the heat accumulating material for heat exchange; and the heat energy acquired from the solar energy is directly stored through a heat exchanger. The solar acquisition heat accumulating system is provided with the heat exchanger for realizing large-scale acquisition of the solar energy and the exchange of the heat energy; and a traditional solar vacuum tube or flat acquisition system is provided with the heat exchanger for increasing part heat exchange area of the heat accumulating material, so that the heat exchange and heat accumulating capacity of the heat accumulating material can be improved, and the large-scale acquisition and utilization of the solar energy are realized.
Owner:CHENGDU AONENGPU TECH

Spliced random sand box and splicing method of random sand box

The invention relates to a spliced random sand box and a splicing method of the random sand box in the technical field of casting. The spliced random sand box comprises a plurality of layers of stacked commonly-used sand boxes, wherein a plurality of sand partition plates and a plurality of supporting plates for supporting the sand partition plates and the commonly-used sand boxes are spliced in the commonly-used sand boxes; the sand partition plates are spliced and superposed in the commonly-used sand boxes to form the continuous inner walls of the random sand box. According to the random sand box, under the condition that the commonly-used sand boxes are used, appropriate partition areas can be arranged in the commonly-used sand boxes through the sand partition plates and bottom layer sand partition plates according to the shape and the size of a casting, the sand consumption in the molding process of quick sand is reduced, the sand metal ratio in the casting is reduced, the production cost is reduced, the press box cooling time of the casting is shortened, and the production period is shortened; moreover, after being spliced once, the random sand box for the same casting product can be reused, so that the batch production efficiency is improved, and the random sand box has an important significance on reduction of the casting cost and improvement of the productivity in the production of large castings.
Owner:KOCEL STEEL

Intelligent managing system of unlocked key for error-proof device

The invention discloses an intelligent managing system of unlocked key for error-proof device, comprising an intelligent unlocking managing host, a 10M / 100M network interface is mounted on the top of the intelligent unlocking managing host, a GSM / CDMA communication antenna is mounted at one side thereof; a Liquid Crystal Display (LCD) and a writing pen are mounted on a panel of the host, an intelligent unlocking device interface, an electromagnetic lock unlocking head selecting interface, a various ID card brushing area and a power switch are also mounted on the panel of the host, a CAN communication interface, an AC power interface and a DC power interface are mounted at the bottom of the host. The invention can strictly manage the storage and use of the key for unlocking the mechanical program lock, with simple structure, flexible and convenient management, and easy-to-understand and easy-to-learn operation.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +1
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